.basics-layout{display:block;max-width:1040px;margin-inline:auto}
.basics-work{scroll-margin-top:18px;min-width:0}
.basics-work h3{font-size:18px;line-height:1.4}
.basics-work p{line-height:1.7}
.basics-work .intro-step-header p{max-width:78ch}
.lesson-page .basics-work .intro-step-header.basics-wide-intro>p{max-width:none;width:100%}
.basics-examples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.basics-example{border:1px solid #dedde3;background:#fff;border-radius:12px;padding:20px;text-align:left;color:var(--ink);display:flex;flex-direction:column;align-items:flex-start;min-height:180px;transition:border-color .15s}
.basics-example:hover{border-color:var(--purple)}
.basics-example.opened{border-color:#b9adce}
.basics-example-icon{color:#6e647b;display:flex;margin-bottom:16px}
.basics-example strong{font-size:16px;line-height:1.5;margin-bottom:12px}
.basics-example-action{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--purple);font-weight:500;margin-bottom:8px}
.basics-example-text{font-size:14px;color:var(--muted);line-height:1.65}
.basics-automation-note{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.lesson-page .basics-work .basics-automation-note h3{font-size:16px;line-height:1.5;letter-spacing:0;margin:0 0 14px}
.basics-automation-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin:0}
.basics-automation-compare dt{font-size:14px;font-weight:600;line-height:1.5;margin:0 0 5px}
.basics-automation-compare dd{font-size:14px;color:var(--muted);line-height:1.65;margin:0}
.basics-automation-note>p{font-size:13px;color:var(--muted);margin:14px 0 0}
@media(max-width:650px){.basics-automation-compare{grid-template-columns:minmax(0,1fr);gap:14px}}
.basics-definition{border-top:1px solid var(--line);padding-top:16px;margin-top:24px;font-size:14px;color:var(--muted)}
.basics-definition>summary{cursor:pointer;color:var(--ink);font-size:14px;line-height:1.6;min-height:32px;width:fit-content}
.basics-definition>strong{display:block;color:var(--ink);font-size:15px;margin-bottom:9px}
.basics-definition p+p{margin-top:12px}
.basics-definition[open]>summary{margin-bottom:14px}
.basics-definition .btn{margin-top:16px}
.basics-term-list{margin:0;display:grid;gap:14px}
.basics-term-list>div{display:grid;grid-template-columns:minmax(130px,190px) 1fr;gap:18px}
.basics-term-list dt{font-weight:500;color:var(--ink)}
.basics-term-list dd{margin:0;line-height:1.65}
.basics-term-list+p{margin-top:16px}
.basics-caption{font-size:12px;color:var(--muted);font-weight:500;letter-spacing:0}
.basics-switch{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}
.basics-toggle{font-size:14px;border:1px solid #dedde3;color:var(--ink);border-radius:8px;min-height:44px;padding:11px 15px;line-height:1.5;text-align:left;background:white}
.basics-toggle:hover{border-color:var(--purple)}
.basics-toggle.selected{background:#f2edf9;border-color:var(--purple);color:var(--purple)}
.basics-scene-tabs{gap:18px;margin-bottom:24px;border-bottom:1px solid var(--line)}
.basics-scene-tabs .basics-toggle{border:0;border-bottom:2px solid transparent;border-radius:0;padding:11px 0;background:transparent;color:var(--muted)}
.basics-scene-tabs .basics-toggle.selected{border-bottom-color:var(--purple);color:var(--purple)}
.basics-scene{padding:0;background:transparent;border:0;min-height:0}
.basics-scene h3{margin:14px 0}
.basics-scene p{font-size:15px}
.basics-flow{display:flex;align-items:center;gap:12px;margin:20px 0;flex-wrap:wrap}
.basics-flow>span{padding:11px 14px;border-radius:8px;border:1px solid var(--line);font-size:14px}
.basics-flow svg{color:#8a8295}
.basics-path{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.basics-completion{margin-top:24px;padding-top:24px;border-top:1px solid var(--line)}
.basics-completion>p{font-size:14px;color:var(--muted);margin-top:9px}
.basics-prompt-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.basics-prompt-pair>section{min-width:0;padding:18px 0;border-top:1px solid var(--line)}
.basics-prompt-pair p{font-size:15px;margin-top:10px;white-space:pre-wrap}
.basics-detective{margin-top:28px;border-top:1px solid var(--line);padding-top:24px}
.basics-detective h3{margin:0 0 12px}
.basics-detective>p{font-size:14px;color:var(--muted)}
.basics-source{padding:16px 20px;border-left:2px solid #b6b1bf;background:#f7f7f8;margin:18px 0;font-size:14px}
.basics-source p{margin-top:8px}
.basics-claims{display:grid;gap:9px;margin-top:13px}
.basics-claims .basics-toggle{text-align:left}
.basics-next-hint{color:var(--muted);font-size:14px;margin-top:18px}
.basics-takeaway{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);font-size:14px;color:var(--muted)}
#basics-quiz>.btn{margin-top:22px}
#basics-quiz fieldset>legend{float:left;width:100%;padding:0;margin:0 0 16px;overflow-wrap:anywhere}
#basics-quiz .quiz-choice{clear:both;margin:0;align-items:flex-start}
#basics-quiz .quiz-choice+.quiz-choice{margin-top:8px}
#basics-quiz .quiz-choice input{width:16px;height:16px;margin:4px 0 0}
#basics-quiz .quiz-choice>span{min-width:0;overflow-wrap:anywhere}
.basics-finish-header{display:flex;align-items:center;gap:24px;padding:6px 6px 28px}
.basics-finish-mark{display:grid;place-items:center;flex-shrink:0;width:64px;height:64px;border-radius:50%;background:var(--purple);color:#fff;box-shadow:0 0 0 6px #f0ebfa}
.basics-finish-header>div{min-width:0}
.lesson-page .basics-finish-header h2{font-size:28px;line-height:1.25;letter-spacing:-.5px;margin:0 0 10px}
.basics-finish-header p{font-size:15px;line-height:1.7;color:var(--muted);max-width:65ch}
.basics-finish-next{display:flex;align-items:center;justify-content:space-between;gap:24px;background:#f8f7fb;border:1px solid #e9e4f1;border-radius:14px;padding:22px 24px}
.basics-finish-next>div{min-width:0}
.basics-finish-caption{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:5px}
.lesson-page .basics-finish-next h3{font-size:19px;line-height:1.4;margin:0 0 7px}
.basics-finish-next p{font-size:14px;line-height:1.6;color:var(--muted);max-width:51ch}
.basics-finish-next .btn{flex-shrink:0}
.lesson-page .basics-work-finished .intro-bottom{margin-top:20px;padding-top:14px;border-top:0}
.basics-work-finished .intro-bottom>.btn{padding-inline:0}
@media(max-width:1100px){.basics-finish-next{align-items:flex-start;flex-direction:column;gap:18px}}
@media(max-width:650px){.basics-finish-header{display:grid;grid-template-columns:42px minmax(0,1fr);gap:14px 16px;padding:4px 0 24px}.basics-finish-header>div{display:contents}.basics-finish-mark{width:42px;height:42px;box-shadow:0 0 0 4px #f0ebfa}.basics-finish-mark svg{width:24px;height:24px}.lesson-page .basics-finish-header h2{font-size:23px;margin:0}.basics-finish-header p{grid-column:1/-1;font-size:14px}.basics-finish-next{padding:18px;gap:18px}.basics-finish-next .btn{width:100%;white-space:normal}.lesson-page .basics-work-finished .intro-bottom{margin-top:14px;gap:8px;align-items:center}.basics-work-finished .intro-bottom>.btn{font-size:13px}}
.basics-work button:focus-visible,.basics-work summary:focus-visible{outline:3px solid #9d79d3;outline-offset:3px}
.basics-work #basics-title:focus{outline:none}
.optional-list a{color:var(--purple);text-decoration:underline;text-underline-offset:3px}
@media(max-width:850px){.basics-examples{grid-template-columns:1fr}.basics-example{min-height:0;padding:18px}.basics-example-icon{margin-bottom:12px}.basics-example strong{margin-bottom:8px}}
@media(max-width:650px){.basics-prompt-pair,.basics-path{grid-template-columns:1fr}.basics-path .basics-toggle{padding:11px 13px}.basics-flow{gap:8px}.basics-flow>span{font-size:13px;padding:9px}.basics-switch .basics-toggle{font-size:14px}.basics-term-list>div{grid-template-columns:1fr;gap:4px}.basics-scene-tabs{gap:14px}.basics-scene-tabs .basics-toggle{flex:1}.optional-list li{flex-wrap:wrap}}

.basics-completed-task{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.basics-completed-task>span{display:flex;align-items:center;gap:8px}
.basics-completed-task svg{color:#49816b;flex-shrink:0}
.basics-completed-task .btn{font-size:13px;flex-shrink:0}
.basics-built-preview{border:0;margin-top:12px;padding-top:0}
.basics-detective h3:focus{outline:none}
@media(max-width:650px){.basics-completed-task{align-items:flex-start;gap:8px}.basics-completed-task>span{align-items:flex-start}}